Police say the man, described as 5-foot-8 and weighing about 180 pounds, entered the Check 'n Go at 4989 South Union at 10:30 a.m.

He then presents a note to a teller expressing his intent to rob the business. After showing the teller a gun inside his coat, Tulsa Police say the teller gives the man the drawer from the register. The man took the cash and ran away.

He was last seen getting into a white van parked in a lot south and east of the Check 'n Go.